Home / 231,514.62-347,299.65-81,724.02

Finding the Fourth Proportional to 231,514.62, 347,299.65 and 81,724.02

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Solution

The fourth proportional to 231,514.62, 347,299.65 and 81,724.02 is: 122,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,514.62 : 347,299.65 = 81,724.02 : x
  2. Step 2: Convert to fraction form
    231,514.62/347,299.65 = 81,724.02/x
  3. Step 3: Cross multiply
    231,514.62x = 347,299.65 × 81,724.02
  4. Step 4: Simplify right side
    231,514.62x = 28,382,723,542.59
  5. Step 5: Solve for x
    x = 28,382,723,542.59/231,514.62
  6. Step 6: Final answer
    x = 122,595.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.